1202003023 has 16 divisors (see below), whose sum is σ = 1421844480. Its totient is φ = 1005437664.

The previous prime is 1202003017. The next prime is 1202003029. The reversal of 1202003023 is 3203002021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1202003017) and next prime (1202003029).

It is a cyclic number.

It is not a de Polignac number, because 1202003023 - 2⁹ = 1202002511 is a prime.

It is a super-2 number, since 2×1202003023² = 2889622534602277058, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1202002994 and 1202003012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202003029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100111 + ... + 111472.

It is an arithmetic number, because the mean of its divisors is an integer number (88865280).

Almost surely, 2^1202003023 is an apocalyptic number.

1202003023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1202003023 is a deficient number, since it is larger than the sum of its proper divisors (219841457).

1202003023 is a wasteful number, since it uses less digits than its factorization.

1202003023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211638.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1202003023 is about 34669.9152436230. The cubic root of 1202003023 is about 1063.2494987238.

Adding to 1202003023 its reverse (3203002021), we get a palindrome (4405005044).

The spelling of 1202003023 in words is "one billion, two hundred two million, three thousand, twenty-three".